1994044105000 has 40 divisors (see below), whose sum is σ = 4672045349730. Its totient is φ = 797617640000.

The previous prime is 1994044104989. The next prime is 1994044105049. The reversal of 1994044105000 is 5014404991.

It can be written as a sum of positive squares in 5 ways, for example, as 453551065444 + 1540493039556 = 673462^2 + 1241166^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 199399411 + ... + 199409410.

Almost surely, 2^{1994044105000} is an apocalyptic number.

1994044105000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1994044105000 is an abundant number, since it is smaller than the sum of its proper divisors (2678001244730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1994044105000 is an equidigital number, since it uses as much as digits as its factorization.

1994044105000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398808847 (or 398808828 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

Adding to 1994044105000 its reverse (5014404991), we get a palindrome (1999058509991).

The spelling of 1994044105000 in words is "one trillion, nine hundred ninety-four billion, forty-four million, one hundred five thousand".